High-Purity Material Storage Vessels

High-purity material storage demands vessels engineered to prevent contamination and maintain product integrity throughout the storage cycle. Roben Manufacturing specializes in custom dual-walled storage vessels for semiconductor chemicals, pharmaceutical ingredients, and electronic-grade materials. Our vessels feature ultra-clean surface finishes, specialized material selection, and design features that minimize contamination sources while enabling validated cleaning and inspection.

Application Importance

High-purity applications cannot tolerate contamination from vessel surfaces, atmospheric ingress, or residual materials from previous batches. Dual-walled vessel construction provides temperature control for temperature-sensitive materials and secondary containment for valuable or hazardous products. Surface finish quality directly impacts cleanability and potential for product contamination. Roben Manufacturing delivers storage vessels meeting the stringent requirements of semiconductor, pharmaceutical, and specialty chemical industries.

Design Requirements

• Ultra-clean electropolished surfaces (Ra ≤ 0.25 µm available)
• Inert gas blanketing provisions
• Jacketed construction for temperature control
• Fully drainable designs
• Sanitary connections throughout
• Clean-in-place (CIP) capability
• Sample port configurations
• Level instrumentation provisions

Recommended Materials

• 316L Stainless Steel (low carbon, controlled chemistry)
• Ultra-high purity 316L (semiconductor grade)
• Hastelloy (corrosive chemical storage)
• PTFE/PFA lined vessels (ultra-pure applications)
• Electropolished all wetted surfaces
• Validated passivation treatments

Industries Served

• Semiconductor Manufacturing
• Pharmaceutical Manufacturing
• Electronic Chemicals
• Specialty Chemicals
• Biotechnology
• Research and Development
• Photovoltaic Production

Certifications & Compliance

All Roben vessels are designed and manufactured in accordance with:

• ASME Boiler and Pressure Vessel Code Section VIII
• SEMI Standards (semiconductor applications)
• FDA 21 CFR Part 211 cGMP Guidelines
• ISO 9001 Quality Management System
• ASME BPE (where applicable)
• ISO 14644 Cleanroom Standards

Roben Manufacturing Expertise

With over 65 years of pressure vessel fabrication experience, Roben Manufacturing has developed specialized expertise in high-purity storage vessels. Our fabrication processes are designed to minimize contamination, with dedicated clean fabrication areas and validated cleaning procedures. We work directly with customers to specify surface finish requirements, material certifications, and quality documentation appropriate for specific purity requirements.

Frequently Asked Questions

What surface finish levels are achievable?

We routinely achieve electropolished finishes to Ra 0.5 µm, with Ra 0.25 µm or finer available for critical semiconductor applications. All finishes are verified with calibrated instruments and documented with surface finish maps.

How is cleanliness verified before shipment?

Final cleaning is performed per validated procedures appropriate for the application. Verification may include DI water rinse testing, wipe sampling, or other methods specified for the cleanliness requirements. Clean packaging protects vessels during shipment.

Can vessels be nitrogen purged for shipment?

Yes. We can purge and seal vessels with nitrogen or other inert gases for shipment. Purge gas purity and moisture content are documented per customer specifications.

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Request a Quote for High-Purity Material Storage Vessels

Contact Roben Manufacturing to discuss your high-purity material storage vessels requirements.

Phone: (732) 364-6000

Email: sales@robenmfg.com

Address: 760 Vassar Avenue, Lakewood, NJ 08701

www.robenmfg.com